1. Can I ask why you chose to go with this setting for this image?
As far as my feelings about it go is that it was not a good choice. You've got the hydrant and whatever else that is off to the side adding nothing but distraction to the photo. The brush isn't pretty, and neither are the power lines, fencing or buildings in the far distance.
2. I get that you probably liked the textures for this one, but I would have moved them further away from, or cloned out, the pole. Also their posing isn't very cohesive or "family portraity." Everyone is off doing their own thing, and the baby's face is covered by her coat.
3. This is better as far as posing/grouping is concerned, but that chair is doing nothing to add to the image. You also needed to crop a little tighter (too much head room and room off to the left) and I would have keep trying to pull a better expression out of the kid. The light is also a little too harsh and "sidey" on this one. One side of their faces is bright and the other is dark, with some weird shadow play happening on the faces as a result.
4. This one is the best one out of the 4 of them. I'm not a fan of high angles like that, but that's my personal preference. Others may disagree.
Overall your exposure seems good. It seemed like a super cold day (when you're doing sessions like this, it's important to have things like hand-warmers, hot drinks, etc. to help keep everyone warm), and it looks like you shot a little earlier in the day than might have been ideal. Shooting a bit later still, with the sun a little lower and dimmer might have helped a lot of the squinting happening in these images.